Leakproof washer

Details Leakproof washer Leakproof washer

1993-05-05

1994-01-25

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having structure to restrict rotation of threaded, mating...

Including settable material

411 82, 411369, 411542, F16B 3900, F16B 4302

Patent

active

052810658

ABSTRACT:
A leakproof washer includes a resilient annular base and a rupturable annular capsule secured on a top face of the annular base. The base and the capsule have inner peripheral walls which cooperatively confine an axial through opening. The capsule contains a hardening agent therein.

REFERENCES:
patent: 2666354 (1954-01-01), Dim et al.
patent: 3066568 (1962-12-01), Armour
patent: 4312616 (1982-01-01), Waller et al.
patent: 5156509 (1992-10-01), Wu

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